class_docstr: PTVVissimSimulation is responsible for the management of the vissim simulation.
code: def close(self):
      self.ds_proxy.VISSIM_Disconnect()
  
imports: import enum
  import logging
  import math
  import os
  import carla
  from ctypes import *
  from .None import constants
label_desc: Use image node_id 9 for calling the PTVVissimSimulation obj's underlying member method code with example usage: obj.close() without return types